Java ASTRewrite.replace方法代码示例

import org.eclipse.jdt.core.dom.rewrite.ASTRewrite; //导入方法依赖的package包/类
private void removeVariableWithInitializer(ASTRewrite rewrite, ASTNode initializerNode, ASTNode statementNode, TextEditGroup group) {
	boolean performRemove= fForceRemove;
	if (!performRemove) {
		ArrayList<Expression> sideEffectNodes= new ArrayList<>();
		initializerNode.accept(new SideEffectFinder(sideEffectNodes));
		performRemove= sideEffectNodes.isEmpty();
	}
	if (performRemove) {
		removeStatement(rewrite, statementNode, group);
		fRemovedAssignmentsCount++;
	} else {
		ASTNode initNode = rewrite.createMoveTarget(initializerNode);
		ExpressionStatement statement = rewrite.getAST().newExpressionStatement((Expression) initNode);
		rewrite.replace(statementNode, statement, null);
		fAlteredAssignmentsCount++;
	}
}
 

import org.eclipse.jdt.core.dom.rewrite.ASTRewrite; //导入方法依赖的package包/类
private static void replaceCast(CastExpression castExpression, Expression replacement, ASTRewrite rewrite, TextEditGroup group) {
	boolean castEnclosedInNecessaryParentheses= castExpression.getParent() instanceof ParenthesizedExpression
			&& NecessaryParenthesesChecker.needsParentheses(castExpression, castExpression.getParent().getParent(), castExpression.getParent().getLocationInParent());

	ASTNode toReplace= castEnclosedInNecessaryParentheses ? castExpression.getParent() : castExpression;
	ASTNode move;
	if (NecessaryParenthesesChecker.needsParentheses(replacement, toReplace.getParent(), toReplace.getLocationInParent())) {
		if (replacement.getParent() instanceof ParenthesizedExpression) {
			move= rewrite.createMoveTarget(replacement.getParent());
		} else if (castEnclosedInNecessaryParentheses) {
			toReplace= castExpression;
			move= rewrite.createMoveTarget(replacement);
		} else {
			ParenthesizedExpression parentheses= replacement.getAST().newParenthesizedExpression();
			parentheses.setExpression((Expression) rewrite.createMoveTarget(replacement));
			move= parentheses;
		}
	} else {
		move= rewrite.createMoveTarget(replacement);
	}
	rewrite.replace(toReplace, move, group);
}
 

import org.eclipse.jdt.core.dom.rewrite.ASTRewrite; //导入方法依赖的package包/类
public static void getInvalidQualificationProposals(IInvocationContext context, IProblemLocation problem,
		Collection<CUCorrectionProposal> proposals) {
	ASTNode node= problem.getCoveringNode(context.getASTRoot());
	if (!(node instanceof Name)) {
		return;
	}
	Name name= (Name) node;
	IBinding binding= name.resolveBinding();
	if (!(binding instanceof ITypeBinding)) {
		return;
	}
	ITypeBinding typeBinding= (ITypeBinding)binding;

	AST ast= node.getAST();
	ASTRewrite rewrite= ASTRewrite.create(ast);
	rewrite.replace(name, ast.newName(typeBinding.getQualifiedName()), null);

	String label= CorrectionMessages.JavadocTagsSubProcessor_qualifylinktoinner_description;
	ASTRewriteCorrectionProposal proposal = new ASTRewriteCorrectionProposal(label, context.getCompilationUnit(),
			rewrite, IProposalRelevance.QUALIFY_INNER_TYPE_NAME);

	proposals.add(proposal);
}
 

import org.eclipse.jdt.core.dom.rewrite.ASTRewrite; //导入方法依赖的package包/类
@Override
protected ASTRewrite getRewrite() throws CoreException {
	CompilationUnit astRoot= fContext.getASTRoot();

	AST ast= astRoot.getAST();
	ASTRewrite rewrite= ASTRewrite.create(ast);

	AbstractTypeDeclaration decl= findTypeDeclaration(astRoot.types(), fOldName);
	if (decl != null) {
		ASTNode[] sameNodes= LinkedNodeFinder.findByNode(astRoot, decl.getName());
		for (int i= 0; i < sameNodes.length; i++) {
			rewrite.replace(sameNodes[i], ast.newSimpleName(fNewName), null);
		}
	}
	return rewrite;
}
 

import org.eclipse.jdt.core.dom.rewrite.ASTRewrite; //导入方法依赖的package包/类
private void removeStatement(ASTRewrite rewrite, ASTNode statementNode, TextEditGroup group) {
	if (ASTNodes.isControlStatementBody(statementNode.getLocationInParent())) {
		rewrite.replace(statementNode, rewrite.getAST().newBlock(), group);
	} else {
		rewrite.remove(statementNode, group);
	}
}
 

import org.eclipse.jdt.core.dom.rewrite.ASTRewrite; //导入方法依赖的package包/类
static CUCorrectionProposal createTypeRefChangeFullProposal(ICompilationUnit cu, ITypeBinding binding, ASTNode node, int relevance) {
	ASTRewrite rewrite= ASTRewrite.create(node.getAST());
	String label= Messages.format(CorrectionMessages.UnresolvedElementsSubProcessor_change_full_type_description, BindingLabelProvider.getBindingLabel(binding, JavaElementLabels.ALL_DEFAULT));

	ASTRewriteCorrectionProposal proposal = new ASTRewriteCorrectionProposal(label, cu, rewrite, relevance);

	ImportRewrite imports= proposal.createImportRewrite((CompilationUnit) node.getRoot());
	Type type= imports.addImport(binding, node.getAST());

	rewrite.replace(node, type, null);
	return proposal;
}
 

import org.eclipse.jdt.core.dom.rewrite.ASTRewrite; //导入方法依赖的package包/类
private static void addStaticImportFavoriteProposals(IInvocationContext context, SimpleName node, boolean isMethod,
		Collection<CUCorrectionProposal> proposals) throws JavaModelException {
	IJavaProject project= context.getCompilationUnit().getJavaProject();
	if (JavaModelUtil.is50OrHigher(project)) {
		String pref = PreferenceManager.getPrefs(context.getCompilationUnit().getResource())
				.getFavoriteStaticMembers();
		String[] favourites= pref.split(";"); //$NON-NLS-1$
		if (favourites.length == 0) {
			return;
		}

		CompilationUnit root= context.getASTRoot();
		AST ast= root.getAST();

		String name= node.getIdentifier();
		String[] staticImports= SimilarElementsRequestor.getStaticImportFavorites(context.getCompilationUnit(), name, isMethod, favourites);
		for (int i= 0; i < staticImports.length; i++) {
			String curr= staticImports[i];

			ImportRewrite importRewrite= StubUtility.createImportRewrite(root, true);
			ASTRewrite astRewrite= ASTRewrite.create(ast);

			String label;
			String qualifiedTypeName= Signature.getQualifier(curr);
			String elementLabel= BasicElementLabels.getJavaElementName(JavaModelUtil.concatenateName(Signature.getSimpleName(qualifiedTypeName), name));

			String res= importRewrite.addStaticImport(qualifiedTypeName, name, isMethod, new ContextSensitiveImportRewriteContext(root, node.getStartPosition(), importRewrite));
			int dot= res.lastIndexOf('.');
			if (dot != -1) {
				String usedTypeName= importRewrite.addImport(qualifiedTypeName);
				Name newName= ast.newQualifiedName(ast.newName(usedTypeName), ast.newSimpleName(name));
				astRewrite.replace(node, newName, null);
				label= Messages.format(CorrectionMessages.UnresolvedElementsSubProcessor_change_to_static_import_description, elementLabel);
			} else {
				label= Messages.format(CorrectionMessages.UnresolvedElementsSubProcessor_add_static_import_description, elementLabel);
			}

			ASTRewriteCorrectionProposal proposal = new ASTRewriteCorrectionProposal(label,
					context.getCompilationUnit(), astRewrite, IProposalRelevance.ADD_STATIC_IMPORT);
			proposal.setImportRewrite(importRewrite);
			proposals.add(proposal);
		}
	}
}
 

import org.eclipse.jdt.core.dom.rewrite.ASTRewrite; //导入方法依赖的package包/类
private static boolean useExistingParentCastProposal(ICompilationUnit cu, CastExpression expression,
		Expression accessExpression, SimpleName accessSelector, ITypeBinding[] paramTypes,
		Collection<CUCorrectionProposal> proposals) {
	ITypeBinding castType= expression.getType().resolveBinding();
	if (castType == null) {
		return false;
	}
	if (paramTypes != null) {
		if (Bindings.findMethodInHierarchy(castType, accessSelector.getIdentifier(), paramTypes) == null) {
			return false;
		}
	} else if (Bindings.findFieldInHierarchy(castType, accessSelector.getIdentifier()) == null) {
		return false;
	}
	ITypeBinding bindingToCast= accessExpression.resolveTypeBinding();
	if (bindingToCast != null && !bindingToCast.isCastCompatible(castType)) {
		return false;
	}

	IMethodBinding res= Bindings.findMethodInHierarchy(castType, accessSelector.getIdentifier(), paramTypes);
	if (res != null) {
		AST ast= expression.getAST();
		ASTRewrite rewrite= ASTRewrite.create(ast);
		CastExpression newCast= ast.newCastExpression();
		newCast.setType((Type) ASTNode.copySubtree(ast, expression.getType()));
		newCast.setExpression((Expression) rewrite.createCopyTarget(accessExpression));
		ParenthesizedExpression parents= ast.newParenthesizedExpression();
		parents.setExpression(newCast);

		ASTNode node= rewrite.createCopyTarget(expression.getExpression());
		rewrite.replace(expression, node, null);
		rewrite.replace(accessExpression, parents, null);

		String label= CorrectionMessages.UnresolvedElementsSubProcessor_missingcastbrackets_description;
		ASTRewriteCorrectionProposal proposal = new ASTRewriteCorrectionProposal(label, cu, rewrite,
				IProposalRelevance.ADD_PARENTHESES_AROUND_CAST);
		proposals.add(proposal);
		return true;
	}
	return false;
}
 

import org.eclipse.jdt.core.dom.rewrite.ASTRewrite; //导入方法依赖的package包/类
/**
 * If the given <code>node</code> has already been rewritten, undo that rewrite and return the
 * replacement version of the node. Otherwise, return the result of
 * {@link ASTRewrite#createCopyTarget(ASTNode)}.
 *
 * @param rewrite ASTRewrite for the given node
 * @param node the node to get the replacement or to create a copy placeholder for
 * @param group the edit group which collects the corresponding text edits, or <code>null</code>
 *            if ungrouped
 * @return the replacement node if the given <code>node</code> has already been rewritten or the
 *         new copy placeholder node
 */
public static ASTNode getCopyOrReplacement(ASTRewrite rewrite, ASTNode node, TextEditGroup group) {
	ASTNode rewrittenNode= (ASTNode) rewrite.get(node.getParent(), node.getLocationInParent());
	if (rewrittenNode != node) {
		// Undo previous rewrite to avoid the problem that the same node would be inserted in two places:
		rewrite.replace(rewrittenNode, node, group);
		return rewrittenNode;
	}
	return rewrite.createCopyTarget(node);
}